Brake band



Nov. 24; 1925 1,562,845

G. C. PACK BRAKE BAND Filed June 4, 1925 Patented Nov. 24,1925. l'

UNITED STATES PATENT opplcg,

cus'ravn naar. raux, or NEW BRUNSWICK, Nnwfmasay;

' BRAKE Application led .Tune 4, l1925. Serial No. $1,875.

ining for use in association with automotivexternal brakes.

The usual automotive external brake comprises the metal band and lining,thehning being riveted fast to the inside of the band.

When a new brake lining is necessary it ini volves the tedious processof removing the brake band from the machine, then literally tearing outthe lining and removing the rivets that hold the lining te the band. lIf a new lining is to be put 1n, 1t is riveted anew to the band, and thecom lete assembly is again attached to the machine, this requiring uservices of a skilled mechanic.

The resent improvement upon brake band resldes, as above intimated, inthe provision of one wherein the lining is readily renewable, making itan easy matter to replace a worn lining with ease and facility.

The structural details constituting what is believed to be the noveltyof the present invention will be clearly set forth in the followingdescription and specifically pointed out in the appended claim.

' In the accompanying drawing forming a part of this application and inwhich l1ke numerals designate like parts throughout the same:

' Figure 1 is a side view of a brake band assembly constructed inaccordance with the invention.

Figure 2 i spaced ends.

Figure 3 is an enlarged detail fra entary view of one end of the bandwit the bracket removed. l

Figures 4 and 5 are transverse sections taken approximately upon theplanes of the o lines 4-4 and 5-'5 respectively of Figure 3.

Referring to the drawing in detall, the reference character l designatesthe usual brake band which, in accordance with Jthe s a face viewlooking toward the present invention, is modified by providing -`aftermade clear.

.a multiplicity of circumferentially lspaced holes 2 having restrictedside notches 3.' The holes together with the notches form what may beconveniently and collectivelyA consid-r ered as key hole slots. woulddirect attention to the fact that these In this connection I 'l slotsare centrally positioned 4between the edges'of the band 1, and that theyextend transversely ofthe length of thevband. In

addition'to these key hole slots the band 1 is provided at its freespaced ends with a pair ofl holes which serve a purpose to be herein-vAs Iis usual, the band 1 is equipped with thev conventional brackets 4,5, 6 and 7, the first two of which are disposed'adjacent the free endsof the band, and the last named of which is arranged at a diametricallyopposite point. The positions ofl these brackets however will varyaccording to the particular machinery upon which the brake is used.

The removable lining is designated by the reference character 8. As seenfrom Figure 1 it is preferably composed of two sections, vthe ends ofwhich are spaced apart in the approximate degrees illustrated. This bandis riveted to a resilient backing strip 9, pref erably of spring' steel.The spring steel strip is provided at its free ends with pairs ofdspaced lugs 10 extending through the correspondingly shaped holes inthe band 1. Carried by the spring steel strip are headed studs 11disposed in position to properly enter the key hole slots. In thisconnection I would point out that the heads of the studs are'arrangedwith respect to the back strip 9 to properly accommodate the thicknessof the band 1, thus maintaining the inner faces of the heads in firmcontact with the outer surface of the band.

From the foregoing it will be obvious that I have evolved and produced anovel brake band which consists of a metal band upon which is fastenedthe brackets, necessary for operation, and into which is machined ahole, and slots to receive the headed studs and lugs of the reliner.prises a strip of iat metal, preferably spring steel, bent to a radiusgreater than that of the brake band and carrying the headed stud andlugs for reception in the holes and slots respectively, this stri fabriclining firmly rlveted thereto.

Undoubtedly, a careful consideration of The reliner cominturn having thev ato be confused with what is known as the common transmission band.The stresses to which the two kinds of devices are subjected is entirelydifferent. `It is thought that a @more lengthy description isunnecessary.

` While Ihave shown and described the pre- \said liningv and strip erredembodiment of the invention, it is to be understood thatminor changes inthe size, shape and arrangement of parts-may be resorted' to withoutdeparting from the spirit of the invention or the scope of the appendedclaim.

Having thus described the invention, what. y

slots being disposed transversely of 'thelonf gitudinal axis of theband, said band being'I provided adjacent its free end with spacedholes, a lining, and a resilient backing strip to which said liningispermanently fastened, being of a radius greater than that of said band,and said strip. being equipped with lu s disposed in' said holes andheaded studs tted into said key hole slots. A

In testimony whereof I affix my signature.'`

GUSTAVE CARL PACK. y

